Does Gino Posteraro Know Clint Howard?

yes gino and guy posteraro both know mike Myers from his performance at the oshawa lago club (June 1986)

They apparently have worked together on several projects so Yes.

Yes they are , Ron is older

from wikipedia. Film. Howard has appeared in many films that were directed by his brother, Ron Howard, often playing unpleasant characters, including a callous morgue attendant in Backdraft, a sour...

It's highly unlikely. They were involved in the movie business at different times. With the exception of a couple of episodes of The American Sportsman, on which Howard Hall worked as...